16186456649699 has 16 divisors (see below), whose sum is σ = 18604282549248. Its totient is φ = 13795087159392.

The previous prime is 16186456649677. The next prime is 16186456649711. The reversal of 16186456649699 is 99694665468161.

It is not a de Polignac number, because 16186456649699 - 2¹² = 16186456645603 is a prime.

It is a super-5 number, since 5×16186456649699⁵ (a number of 67 digits) contains 55555 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16186456649639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1436039 + ... + 5868144.

It is an arithmetic number, because the mean of its divisors is an integer number (1162767659328).

Almost surely, 2^{16186456649699} is an apocalyptic number.

16186456649699 is a deficient number, since it is larger than the sum of its proper divisors (2417825899549).

16186456649699 is a wasteful number, since it uses less digits than its factorization.

16186456649699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7305994.

The product of its digits is 3627970560, while the sum is 80.

The spelling of 16186456649699 in words is "sixteen trillion, one hundred eighty-six billion, four hundred fifty-six million, six hundred forty-nine thousand, six hundred ninety-nine".